2009-2012 Dodge RAM 1500/2500 2010-1012 RAM3500 Pickup Truck 2008-13 Dodge Grand Caravan 2008-2010 Charger 2008-13 Dodge Challenger 2010-12 Dodge Caliber 2008-13 Dodge Avenger In-dash Navigation DVD GPS Radio AV Receiver CD SD USB iPod/iPhone-ready Bluetooth Hands-free Touch Screen Steering wheel controls Multimedia Stereo AUDIO VIDEO w/ digital tv rear view camera option SQUARE S SS-MMR44H SS-ZNZ44L Plug and Play on 2009-2012 Dodge RAM 1500; 2009-2012 Dodge RAM 2500; 2010-1012 Dodge RAM3500; 2008-13 Dodge Grand Caravan; 2008-2010 Dodge Charger; 2008-13 Dodge Challenger; 2010-12 Dodge Caliber; 2008-13 Dodge Avenger ; Dodge/JEEP/Chrysler factory stereo has two versions of CANBUS: high speed and low speed CANBUS. Square S part number SS-ZNZ44L is for low speed CANBUS vehicles and SS-MMR44H is for high speed. We will ship out the right version for you based on what vehicle you have and which model year it is. Only buy SQUARE-S products from TRUSTiGO on Amazon; Fake goods are often tempting as they cost less than the real thing, but they are inferior in quality and may be unsafe and dangerous. Of course they also don not come with any after-sales service of guarantees. TRUSTiGO is the only authorized dealer of SQUARE-S on Amazon. Buy SQUARE-S products only from TRUSTiGO on Amazon otherwise factory warranty will not be honered to fake products; Latest version navigation maps; 11 Million+ POI Library; GPS Text-to-Speech Turn by Turn Instruction; USB Ports supporting large Capacity USB stick/drive; Charging ipod and iphone; iPod-Ready; Support rear view camera; Support front view camera; Support all main multimedia formats; No wire cutting or splicing; Plug and play without modification; Direct fit! Support Steering Wheel Control; Bluetooth Hands-free with A2DP Music Streaming; High Definition Touch Screen; Electronics and Mechanical Anti-shock Protection; DVD/CD/AM/FM/USB/SD/iPod-Ready/MP3/MP4/Bluetooth/GPS NAVI/AUX input/High Quality Sound with Dolby surround decoding and BBE sound enhancing technology; Best ever after-sales services and technical support from TRUSTiGO!